21742643

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2659}}^1$

素因数の和:2726

約数の個数: 16

約数和(自身を含む): 25472160

約数和(自身を除く): 3729517

約数列:

[1, 13, 17, 37, 221, 481, 629, 2659, 8177, 34567, 45203, 98383, 587639, 1278979, 1672511, 21742643]

約数ペア:

[(1, 21742643), (13, 1672511), (17, 1278979), (37, 587639), (221, 98383), (481, 45203), (629, 34567), (2659, 8177)]